Please help me solve this

ll. You are asked to select a sample of 450 students from the total high school population of a small city in order to nd the proportion of students who are likely to drop out of school. This student population is divided on three high schools: A=2200, B=1800, C=1200. (8 pts) 1. If you use stratied proportionate random sampling, how many students would you select from each high school? Evaluate this procedure in terms of the sampling rules. 2. Using the proportionate random sample, the survey shows that the number of students who are likely to drop out in each high school sample is: A=25, B=30, C=35. a. Estimate the proportion of drop-outs for each high school. b. Estimate the proportion of drop-outs for the entire student population of the city